Cookie oven



FIG. 1 is a top front perspective view of a cookie oven showing mydesign therefor;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof,

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a side elevational view thereof, the opposite side beingidentical; and,

FIG. 7 is a bottom front perspective view thereof.

CLAIM The ornamental design for a cookie oven, as shown and described.